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5\uff09\u62cd\u7167\u8bc6\u522b\u7ffb\u8bd1\uff1a\u5bf9\u4e8e\u9700\u7ffb\u8bd1\u7684\u975e\u4e2d\u6587\u8bed\u8a00\uff0c\u53ea\u9700\u5bf9\u5176\u6587\u5b57\u8fdb\u884c\u56fe\u7247\u62cd\u6444\uff0c\u7cfb\u7edf\u5c06\u81ea\u52a8\u8bc6\u522b\u8bed\u8a00\u5e76\u5c06\u5176\u8fdb\u884c\u7ffb\u8bd1\uff1b 6\uff09\u8db3\u8ff9\u8bb0\u5f55\uff1a\u5f53\u7528\u6237\u4f7f\u7528\u666f\u70b9\u5bfc\u89c8\u8bed\u97f3\u8bb2\u89e3\u529f\u80fd\u65f6\uff0c\u7cfb\u7edf\u4f1a\u8bb0\u5f55\u4e0b\u7528\u6237\u6240\u53bb\u8fc7\u7684\u666f\u70b9\u5e76\u5728\u8db3\u8ff9\u754c\u9762\u663e\u793a\u3002<\/p>\n\n\n\n 2.1 \u6b22\u8fce\u754c\u9762\u6a21\u5757<\/strong><\/p>\n\n\n\n \u6b22\u8fce\u754c\u9762\u4e3a MainActivity \u7c7b\uff0c\u9996\u5148\u662f\u5728 res\/lay\u2043 out \u4e2d\u521b\u5efa\u4e00\u4e2a\u76f8\u5bf9\u5e03\u5c40\uff0c\u7136\u540e\u5728\u5e03\u5c40\u4e2d\u8bbe\u7f6e\u56fe\u7247\u80cc\u666f\uff0c\u80cc\u666f\u8d44\u6e90\u653e\u5728 res\/drawable\u4e2d\uff0c\u5728\u5e03\u5c40\u4e2d\u653e\u7f6e button \u548c editText\uff0c\u5728 editText \u4e2d\u52a0\u5165 android\uff1atext= \u201c\u65c5\u6e38\u5bfc\u89c8\u201d\u3002\u8be5\u7c7b\u901a\u8fc7\u96c6\u6210 Activity \u5e76\u4e14\u91cd\u5199 on\u2043 Create \u65b9\u6cd5\uff0c\u5728\u5176\u4e2d\u4f7f\u7528 setContentView\uff08R.layout. activity_main\uff09\u7528\u6765\u5728\u5c4f\u5e55\u4e2d\u52a0\u8f7d XML \u754c\u9762\u3002\u901a\u8fc7 findViewById\u627e\u5230 button\u63a7\u4ef6\uff0c\u7136\u540e\u901a\u8fc7 setonclick\u2043 listene \u5bf9 button \u8bbe\u7f6e\u70b9\u51fb\u76d1\u542c\uff0c\u5728\u76d1\u542c\u65b9\u6cd5\u4e2d\u5b9e\u4f8b\u5316 \u4e00 \u4e2a intent\uff0cintent \u7ed1 \u5b9a \u8df3 \u8f6c \uff0c\u901a \u8fc7 StartActivity \uff08intent\uff09\u6267\u884c\u754c\u9762\u8df3\u8f6c\u3002<\/p>\n\n\n\n 2.2 \u9009\u62e9\u754c\u9762\u6a21\u5757<\/strong><\/p>\n\n\n\n \u4ece\u6b22\u8fce\u754c\u9762\u5c31\u53ef\u4ee5\u8fdb\u5165\u83dc\u5355\u9009\u62e9\u754c\u9762\u3002\u8be5\u754c \u9762\u7684\u7c7b\u4e3a StartActivity 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\u627e\u5230\u5bf9\u5e94\u7684\u6309\u94ae\u9009\u9879\uff0c\u5e76\u4e14\u7ed1\u5b9a intent\uff0c\u76d1\u542c\u6309\u94ae \u662f\u5426\u88ab\u70b9\u51fb\uff0c\u4ece\u800c\u8fdb\u884c\u754c\u9762\u7684\u8df3\u8f6c\u3002<\/p>\n\n\n\n 2.3 \u9644\u8fd1\u641c\u7d22\u4e0e\u8def\u7ebf\u67e5\u8be2\u6a21\u5757\u5b9e\u73b0<\/strong><\/p>\n\n\n\n 2.3.1 \u767e\u5ea6\u5730\u56fe API Key \u7684\u83b7\u53d6<\/strong><\/p>\n\n\n\n \u4e3a\u4e86\u80fd\u66f4\u52a0\u76f4\u89c2\u7684\u5728\u624b\u673a\u5c4f\u5e55\u4e0a\u663e\u793a\u5730\u7406\u4fe1\u606f\uff0c\u5728\u8be5\u65c5\u6e38\u5bfc\u89c8\u8f6f\u4ef6\u4e2d\u4f7f\u7528\u7684\u662f\u767e\u5ea6\u5730\u56fe\u5e94\u7528\u7a0b\u5e8f\u7f16\u7a0b\u63a5\u53e3\uff08application programming interface\uff0cAPI\uff09\uff0c\u7528\u4ee5\u5b9e\u73b0\u5bf9\u5730\u7406\u4fe1\u606f\u7684\u53ef\u89c6\u5316\u5f00\u53d1\u3002\u767e\u5ea6\u516c\u53f8\u4e3a\u4e86\u9632\u6b62\u767e\u5ea6\u5730\u56fe API\u4e2d\u7684\u63a5\u53e3\u88ab\u8fc7\u5ea6\u4f7f\u7528\uff0c\u4ece\u800c\u8981\u6c42\u5f00\u53d1\u8005\u53bb\u5176\u5b98\u7f51\u7533\u8bf7\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684 Key\uff0c\u5426\u5219\u5c06\u4e0d\u80fd\u5728\u7a0b\u5e8f\u4e2d\u770b\u5230\u767e\u5ea6\u5730\u56fe\u3002\u7b2c\u4e00\u6b65\uff1a\u9700\u5728\u7535\u8111\u4e2d\u8fd0\u884c cmd\uff1b\u7b2c\u4e8c\u6b65\uff1a\u5b9a\u4f4d\u5230.android \u6587\u4ef6\u5939\u4e0b\uff0c\u8f93\u5165 cd.an\u2043 droid\uff1b\u7b2c \u4e09 \u6b65 \uff1a\u8f93\u5165 keytool – list-v-keystore debug. keystore\uff0c\u4f1a\u5f97\u5230\u4e09\u79cd\u6307\u7eb9\u8bc1\u4e66\uff0c\u9009\u53d6 SHA1 \u7c7b\u578b\u7684\u8bc1\u4e66\uff08\u5bc6\u94a5\u53e3\u4ee4\u662f android\uff09\uff0c\u5176\u4e2d keytool\u4e3a jdk\u81ea\u5e26\u5de5\u5177\uff1bkeystorefile\u4e3a Android \u7b7e\u540d\u8bc1\u4e66\u6587\u4ef6\uff0c\u5c31\u53ef\u4ee5\u5728 cmd \u754c\u9762\u4e2d\u67e5\u770b\u5230 Android \u7b7e\u540d\u8bc1\u4e66\u7684 SHA1 \u503c\uff0c\u7136\u540e\u5728\u767e\u5ea6 API \u63a7\u5236\u53f0\u4e2d\u8f93\u5165\u5b89\u5168\u7801\uff0c\u70b9\u51fb \u201c\u4e0b\u4e00\u6b65\u201d\u5373\u53ef\u83b7\u53d6\u5230 Key\u3002<\/p>\n\n\n\n 2.3.2 \u767e\u5ea6\u5730\u56fe\u7684\u663e\u793a<\/strong><\/p>\n\n\n\n \u82e5\u4f7f Android \u624b\u673a\u4e2d\u663e\u793a\u767e\u5ea6\u5730\u56fe\u4e0d\u4ec5\u4ec5\u9700\u8981 Key\uff0c\u4e5f\u9700\u4e00\u5b9a\u76f8\u5e94\u7684\u64cd\u4f5c\u6d41\u7a0b\uff1a\u5305\u62ec\u914d\u7f6e\u5de5\u7a0b\u2014\u6dfb\u52a0\u5bc6\u94a5\u2014\u6dfb\u52a0\u767e\u5ea6\u5730\u56fe\u663e\u793a\u6240\u9700\u8981\u7684\u5404\u79cd\u6743\u9650\u2014\u6dfb\u52a0\u5730\u56fe\u63a7\u4ef6\u2014\u521d\u59cb\u5316\u5168\u5c40\u53d8\u91cf\uff0c\u914d\u7f6e\u5b8c\u4ee5\u4e0a\u6b65\u9aa4\u5373\u53ef\u52a0\u8f7d\u767e\u5ea6\u5730\u56fe\u3002<\/p>\n\n\n\n 2.3.3 \u9644\u8fd1\u641c\u7d22\u548c\u8def\u7ebf\u89c4\u5212<\/strong><\/p>\n\n\n\n \u65c5\u6e38\u8fc7\u7a0b\u4e2d\u79bb\u4e0d\u5f00\u4f4f\u5bbf\u3001\u9910\u996e\uff0c\u60f3\u8981\u67e5\u770b\u666f\u70b9\u5468\u8fb9\u611f\u5174\u8da3\u7684\u573a\u6240\u3001\u5927\u578b \u8bbe \u65bd \uff0c\u5c31 \u9700 \u8981 \u7528 \u5230 \u57ce \u5e02 \u7684 \u5174 \u8da3 \u70b9\uff08point of interest\uff0cPOI\uff09\u6570\u636e\u5e93\uff0c\u8fd9\u91cc\u4f7f\u7528\u7684\u662f\u767e\u5ea6\u5730\u56fe\u7684\u641c\u7d22\u65b9\u6cd5\u3001\u3002\u8def\u5f84\u89c4\u5212\u5b9e\u73b0\u7c7b\u4e3a RouteAcitvity\u7c7b\uff0c\u7cfb\u7edf\u9996\u5148\u4f8b\u5316\u4e00\u4e2a\u8def\u7ebf\u89c4\u5212\u68c0\u7d22\uff0c\u4f7f\u7528 OnGetRoutePlan\u2043 Result Listener \u8bbe\u7f6e\u8def\u5f84\u68c0\u7d22\u76d1\u542c\uff0c\u5f53\u8f93\u5165\u76ee\u6807\u8d77\u59cb \u70b9 \u65f6 \uff0c\u4f7f\u7528 \uff08DrivingRoutePlanOption\uff09\u3001\uff08Transi\u2043 tRoutePlanOption\uff09\u3001\uff08WalkingRoutePlanOption\uff09\u5b8c\u6210\u81ea\u9a7e\u3001\u516c\u4ea4\u3001\u6b65\u884c\u4e09\u79cd\u8def\u5f84\u89c4\u5212\u68c0\u7d22\uff0c\u767e\u5ea6\u5730\u56fe\u4f1a\u81ea\u52a8\u8fd4\u56de\u7ed3\u679c\uff0c\u76d1\u542c\u4f1a\u83b7\u53d6\u5230\u7ed3\u679c\u5e76\u901a\u8fc7\uff08 onGet\u2043 DrivingRouteResult\uff09\u3001\uff08onGetTransitRouteResult\uff09\u3001 \uff08onGetWalking RouteResult\uff09\u5728\u5730\u56fe\u4e0a\u663e\u793a\u7ebf\u8def\uff1b\u540c\u65f6\u4f7f\u7528 \uff08DrivingRouteLine.DrivingStep\uff09\u83b7\u53d6\u7ed8\u5236\u8def\u7ebf\u8282\u70b9\uff0c\u5f53\u7528\u6237\u70b9\u51fb\u8282\u70b9\u65f6 pop\u5f39\u7a97\u81ea\u52a8\u663e\u793a\u5177\u4f53\u8def\u7ebf\u8d70\u5411\uff0c\u4ee3\u7801\u6d41\u7a0b\u5982\u56fe 2\u6240\u793a\u3002\u9644\u8fd1\u641c\u7d22\u5b9e\u73b0\u7c7b\u4e3a SearchActivity \u7c7b\uff0c\u5148\u521d\u59cb\u5316\u767e\u5ea6\u5730\u56fe\u7684\u641c\u7d22\u6a21\u5757\uff0c\u901a\u8fc7\uff08PoiSearch.newIn\u2043 stance\uff09\u521b \u5efa POI \u68c0\u7d22\u5b9e\u4f8b\uff0c\u8c03\u7528 setOnGet\u2043 PoiSearchResultListener \u5b8c\u6210\u9644\u8fd1\u5174\u8da3\u70b9\uff08POI\uff09\u76d1\u542c\uff0c\u63a5\u7740\u4f7f\u7528 searchInCity\u65b9\u6cd5\u53d1\u8d77\u68c0\u7d22\u8bf7\u6c42\uff0c\u767e\u5ea6\u5730\u56fe\u4f1a\u81ea\u52a8\u8fd4\u56de\u7ed3\u679c\uff0c\u76d1\u542c\u4f1a\u83b7\u53d6\u5230\u7ed3\u679c\uff0c\u5e76\u4e14\u901a\u8fc7 onGetPoiResult \u51fd\u6570\u5728\u5730\u56fe\u4e0a\u663e\u793a\u51fa\u6765\uff0c\u5b8c\u6210\u9644\u8fd1\u5174\u8da3\u70b9\u641c\u7d22\u529f\u80fd\u3002<\/p>\n\n\n\n 2.4 \u8bed\u97f3\u8bb2\u89e3<\/strong><\/p>\n\n\n\n \u7cfb\u7edf\u8bbe\u7f6e\u4e00\u4e2a\u7c7b\u7528\u6765\u5b9e\u73b0\u8bed\u97f3\u8bb2\u89e3\u4ee5\u53ca\u6587\u5b57\u8bf4\u660e\u3002\u5b9e\u73b0\u7c7b\u4e3aVoiceActivity\u7c7b\uff0c\u5728ExpainActivity \u7c7b\u4e2d\u901a\u8fc7 SDK \u63a5\u53e3\u5b8c\u6210\u5b9a\u4f4d\u521d\u59cb\u5316\uff0c\u901a\u8fc7\u5728\u767e\u5ea6\u5730\u56fe\u83b7\u53d6\u666f\u70b9\u7684\u7ecf\u7eac\u5ea6\u8bbe\u7f6e\u5750\u6807\u70b9\u3002\u5f53\u7528\u6237\u8d70 \u5230 \u666f \u70b9 \u6240 \u5728 \u4f4d \u7f6e \u65f6 \uff0c\u4f7f \u7528 mBaiduMap. setOnMarkerClickListener \u65b9\u6cd5\u5bf9\u6807\u8bb0\u70b9\u76d1\u542c\uff0c\u901a\u8fc7\u5224\u65ad\u6807\u8bb0\u7684\u540d\u5b57\u4f7f\u7528 intent.putExtra\uff08\u201clocation\u201d\uff0c \u201cligong\u201d\uff09\u5c06 \u5730 \u70b9 \u540d \u79f0 \u653e \u5165 intent \u4e2d \u8fdb \u884c \u8df3 \u8f6c \u5230 VoiceActivity\u7c7b\u4e2d\uff1b\u5728 VoiceActivity\u7c7b\u4e2d\u901a\u8fc7 intent. getStringExtra\uff08\u201clocation\u201d\uff09\u8bfb\u53d6\u5730\u70b9\u4f4d\u7f6e\u4fe1\u606f\uff0c\u5bf9\u4fe1\u606f\u8fdb\u884c\u89e3\u6790\u5224\u65ad\u51fa\u6240\u70b9\u51fb\u7684\u6807\u8bb0\u662f\uff0c\u7136\u540e\u4f7f\u7528 \uff08mediaPlayer = MediaPlayer.create \uff09 \u4ee5 \u53ca\uff08 mediaPlayer.start\uff09\u5b9e\u73b0\u8bed\u97f3\u8bb2\u89e3\u7684\u64ad\u653e\uff0c\u540c\u65f6\u6839\u636e\u4fe1\u606f\u5bf9 TextView\u663e\u793a\u666f\u70b9\u7b80\u4ecb\u3002<\/p>\n\n\n\n 2.5 \u62cd\u7167\u8bc6\u522b\u666f\u70b9\u56fe\u7247\u6587\u5b57\u8bf4\u660e<\/strong><\/p>\n\n\n\n \u5b9e\u73b0\u5149\u5b66\u5b57\u7b26\u8bc6\u522b\uff08optical character recogni\u2043 tion\uff0cOCR\uff09\u8bc6\u522b\u7cfb\u7edf\uff0c\u9996\u5148\uff0c\u9700\u8981\u5c06\u7528\u624b\u673a\u62cd\u6444\u7684\u56fe\u7247\u8fdb\u884c\u8f6c\u6362\u6210\u9ed1\u767d\u56fe\u50cf\uff0c\u63a5\u7740\u5c06\u56fe\u50cf\u8fdb\u884c\u5207\u5272\u8bc6\u522b\uff0c\u7136\u540e\u5bf9\u8bc6\u522b\u7684\u6587\u5b57\u8fdb\u884c\u5206\u6790\u548c\u4f7f\u7528\uff0c\u8282\u7701\u4e86\u540e\u671f\u4eba\u529b\u4fee\u6539\u7684\u65f6\u95f4\u3002\u5b9e\u73b0 OCR \u8bc6\u522b\u4ece\u56fe\u50cf\u5230\u6587\u672c\u8f93\u51fa\uff0c\u9700\u8981\u7ecf\u5386\u56fe\u50cf\u4e8c\u503c\u5316\u3001\u6587\u5b57\u5207\u5272\u3001\u7279\u5f81\u63d0\u53d6\u3001\u5bf9\u6bd4\u8bc6\u522b\uff0c\u6700\u540e\u4eba\u5de5\u6821\u6b63\u8f93\u51fa\u8bc6\u522b\u7ed3\u679c\u3002\u8be5\u529f\u80fd\u7684\u5b9e\u73b0\u7c7b\u4e3a OCRActivity \u7c7b\uff0c\u901a\u8fc7 Cam\u2043 eraButtonListener \u65b9\u6cd5\u5bf9\u62cd\u7167\u52a8\u4f5c\u8fdb\u884c\u76d1\u542c\uff0c\u901a\u8fc7\u4f7f\u7528 intent.putExtra\uff08\u201cpath\u201d\uff0c\u201cname\u201d\uff09\u8bbe\u5b9a\u62cd\u7167\u56fe\u7247\u7684\u8def\u5f84\u548c\u540d\u79f0\uff0c\u8df3\u8f6c\u5230 Android\u81ea\u5e26\u51fd\u6570 \uff08startAc\u2043 tivityForResult\uff09\u5b9e\u73b0\u62cd\u7167\u529f\u80fd\uff0c\u62cd\u6444\u7ed3\u675f\u540e\uff0c\u5728 on\u2043 ActivityResult \u65b9 \u6cd5 \u91cd \u65b0 \u5f00 \u8f9f \u65b0 \u7684 \u7ebf \u7a0b \u8fdb \u884c \u4f7f \u7528 ImgPretreatment\u7c7b\u6765\u8fdb\u884c\u56fe\u7247\u7684\u5904\u7406\uff0cImgPretreat\u2043 ment \u7c7b\u4f7f\u7528 Bitmap converyToGrayImg \u65b9\u6cd5\u7528\u6765\u8f6c\u5316\u56fe\u50cf\u4e3a\u7070\u5ea6\u56fe\uff0cBitmap doPretreatment \u65b9\u6cd5\u8fdb\u884c\u9884\u5904\u7406\uff0cBitmap selectBinarization \u65b9\u6cd5\u8fdb\u884c\u4e8c\u503c\u5316\u5904\u7406\u3002\u5904\u7406\u5b8c\u56fe\u7247\u540e\uff0c\u8c03\u7528 doOcr\u65b9\u6cd5\u4ece\u800c\u4f7f\u7528\u8c37\u6b4c\u516c\u53f8\u7684\u4e00\u4e2a\u5f00\u6e90 OCR \u5f15\u64ce Tesseract\u5bf9\u5904\u7406\u5b8c\u7684\u56fe\u50cf\u8fdb\u884c\u8bc6\u522b\uff0c\u8be5\u5f00\u6e90\u7684 OCR \u5f15\u64ce\u9700\u8981\u5c06\u8bc6\u522b\u6570\u636e\u5e93\u653e\u7f6e\u5728\u624b\u673a SD \u5361\u4e2d\u3002<\/p>\n\n\n\n 2.6 \u7ffb\u8bd1\u5b9e\u73b0<\/strong><\/p>\n\n\n\n OCR \u5f15\u64ce\u8bc6\u522b\u540e\uff0c\u53ef\u5f97\u5230\u6587\u672c\uff0c\u7136\u540e\u5bf9\u6587\u672c\u8fdb\u884c\u7ffb\u8bd1\u3002\u8c03\u7528 fanyi.setOnClickListener \u76d1\u542c\uff0c\u540c\u65f6\u5c06 \u8bc6 \u522b \u540e \u6587 \u672c \u901a \u8fc7 intent.putExtra\uff08\u201cfanyiwen\u2043 ben\u201d\uff0ctextResult\uff09\u4f20\u9012\u5230 intent\uff0c\u8df3\u8f6c\u5230 TransActivi\u2043 ty \u7c7b\u91cc\uff0c\u901a\u8fc7 intent.getStringExtra\uff08\u201cfanyiwenben\u201d\uff09\u53d6\u5f97\u8bc6\u522b\u540e\u6587\u672c\u3002\u70b9\u51fb\u7ffb\u8bd1\u6309\u94ae\uff0c\u8fdb\u5165\u767e\u5ea6\u7ffb\u8bd1\u63d0\u4f9b\u7684\u63a5\u53e3\uff0c\u901a\u8fc7 URL \u5411\u767e\u5ea6\u7ffb\u8bd1\u63d0\u4ea4 JSON \u6570\u636e\u62a5\uff0c\u7ecf\u7531\u767e\u5ea6\u7ffb\u8bd1\u540e\u53f0\u5904\u7406\uff0c\u53d1\u9001\u6570\u636e\u62a5\u7ed9\u8be5\u7cfb\u7edf\uff0c\u7cfb\u7edf\u901a\u8fc7\u89e3\u6790\u6570\u636e\u62a5\u5f97\u5230\u5176\u4e2d\u7ffb\u8bd1\u7684\u7ed3\u679c\uff0c\u63d0\u53d6\u51fa\u6240\u9700\u8981\u7684\u7ed3\u679c\u5c06\u5176\u663e\u793a\u5728\u624b\u673a\u754c\u9762\u4e0a\u3002<\/p>\n\n\n\n \u4e09\u3001\u7ed3 \u8bed<\/strong><\/p>\n\n\n\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u7cfb\u7edf\u9488\u5bf9\u65c5\u6e38\u666f\u70b9\u5bfc\u89c8\u5f00\u53d1\u7684\u57fa\u4e8e Android 5.0.1 \u5e73\u53f0\uff0c\u4f7f\u7528 eclipse \u5f00\u53d1\u5de5\u5177\u3001Java \u5f00\u53d1\u8bed\u8a00\uff0c\u8c03\u7528\u767e\u5ea6\u5730\u56fe SDK\uff0c\u5b9e\u73b0\u4e86\u57ce\u5e02\u4ecb\u7ecd\u3001\u9644\u8fd1\u641c\u7d22\u53ca\u8def\u7ebf\u89c4\u5212\u3001\u8bed\u97f3\u8bb2\u89e3\u3001\u62cd\u7167\u7ffb\u8bd1\u7b49\u529f\u80fd\u3002\u5b9e\u9a8c\u8868\u660e\u5728\u624b\u673a\u5ba2\u6237\u7aef\u5b89\u88c5 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